package action_行为型.null_object_pattern_空对象模式;

/**
 * Created with IntelliJ IDEA.
 *
 * @Auther: hihi
 * @Date: 2020/07/09/17:51
 * @Description:
 */
public abstract class AbstractCustomer {
	protected String name;

	abstract String getName();

	abstract boolean isNil();
}
